83180919.000000000

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 318729600

約数和(自身を除く): 186837520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 316, 328, 395, 410, 509, 632, 656, 790, 820, 1018, 1264, 1580, 1640, 2036, 2545, 3160, 3239, 3280, 4072, 5090, 6320, 6478, 8144, 10180, 12956, 16195, 20360, 20869, 25912, 32390, 40211, 40720, 41738, 51824, 64780, 80422, 83476, 104345, 129560, 160844, 166952, 201055, 208690, 259120, 321688, 333904, 402110, 417380, 643376, 804220, 834760, 1608440, 1648651, 1669520, 3216880, 3297302, 6594604, 8243255, 13189208, 16486510, 26378416, 32973020, 65946040, 131892080]

約数ペア:

[(1, 131892080), (2, 65946040), (4, 32973020), (5, 26378416), (8, 16486510), (10, 13189208), (16, 8243255), (20, 6594604), (40, 3297302), (41, 3216880), (79, 1669520), (80, 1648651), (82, 1608440), (158, 834760), (164, 804220), (205, 643376), (316, 417380), (328, 402110), (395, 333904), (410, 321688), (509, 259120), (632, 208690), (656, 201055), (790, 166952), (820, 160844), (1018, 129560), (1264, 104345), (1580, 83476), (1640, 80422), (2036, 64780), (2545, 51824), (3160, 41738), (3239, 40720), (3280, 40211), (4072, 32390), (5090, 25912), (6320, 20869), (6478, 20360), (8144, 16195), (10180, 12956)]